Home Body Atlas Nerves Common Peroneal Nerve
Nerve Knee

Common Peroneal Nerve

nervus peroneus communis

The lateral division of the sciatic nerve winding around the fibular neck to divide into deep and superficial branches supplying anterior and lateral compartment muscles.

Region: Knee
Clinical Relevance

Clinical Notes

Most commonly injured lower limb nerve at the fibular neck. Compression from cast or prolonged bed rest causes foot drop and dorsal foot numbness.

Pathology

Common Injuries & Conditions

Common Peroneal Nerve Palsy

Foot drop with dorsal foot sensory loss from fibular neck compression — distinguished from L4/L5 radiculopathy by normal knee reflex and nerve conduction studies.

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